Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Crystal S Karl
Peer Specialist in Buffalo, NY · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1952904930
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Registry record
Entity type Individual (Type 1)
Name Mrs. Crystal S Karl
Sex Female
Practice address 463 William St, Buffalo, NY, 14204
Phone (716) 523-0530
Enumeration date Nov 20, 2020
Last updated in NPPES Nov 20, 2020
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Crystal Karl?
The National Provider Identifier (NPI) for Crystal Karl is 1952904930, a Type 1 (individual) record in the CMS NPPES registry.
Where does Crystal Karl practice?
The practice location on file with NPPES is in Buffalo, NY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-20.